* * Step-by-Step Guide to Installing Docker and Docker Compose, and Removing Podman on RHEL Server * *

 Step-by-Step Guide to Installing Docker and Docker Compose, and Removing Podman on RHEL Server


Setting up Docker and Docker Compose on a RHEL (Red Hat Enterprise Linux) server, and removing Podman, involves a series of steps. This guide will provide a clear, step-by-step approach suitable for a tutorial or blog post.

### Introduction:
- Briefly introduce Docker and Docker Compose, explaining their importance in containerization.
- State the aim of the guide: to install Docker and Docker Compose on RHEL and remove Podman.

### Pre-requisites:
- A RHEL server (version-specific if necessary).
- Sudo or root privileges.

### Step-by-Step Installation:

#### Step 1: Prepare the System
- Update the system packages:
 
  sudo dnf update
 

#### Step 2: Remove Podman (if installed)
- If Podman is installed and you wish to remove it, use:
 
  sudo dnf remove podman
 

#### Step 3: Install Docker
1. **Set up the Docker repository:**
   
   sudo dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
   
2. **Install Docker Engine:**
   
   sudo dnf install docker-ce docker-ce-cli containerd.io
   
3. **Start and Enable Docker:**
   
   sudo systemctl start docker
   sudo systemctl enable docker
   
4. **Verify Docker Installation:**
   - Check if Docker is running:
     
     sudo docker run hello-world
     

#### Step 4: Install Docker Compose
1. **Download Docker Compose:**
   - Check the latest release of Docker Compose on its [GitHub repository](https://github.com/docker/compose/releases).
   - Replace `x.y.z` with the latest version:
     
     sudo curl -L "https://github.com/docker/compose/releases/download/x.y.z/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
     
2. **Make the Docker Compose Binary Executable:**
   
   sudo chmod +x /usr/local/bin/docker-compose
   
3. **Verify Docker Compose Installation:**
   
   docker-compose --version
   

### Post-Installation Configuration:
- Discuss how to configure Docker to start on boot.
- Explain user management for Docker (adding a user to the `docker` group).

### Conclusion:
- Summarize the steps taken and the benefits of having Docker and Docker Compose on a RHEL server.
- Encourage readers to explore containerization with Docker further.

### Additional Resources:
- Provide links to Docker and Docker Compose documentation, best practices for using containers, and advanced configuration options.


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